Prokaryote vs. Eukaryote
What type of cell has no membrane-bound nucleus?
Prokaryote
What organelle is the control center of the cell?
Nulceus
What is the smallest level of organization in living things?
Cells
What system carries oxygen and nutrients through the body? Name 1 organ.
Circulatory System
Which two systems work together to deliver oxygen to cells?
Circulatory and Respiratory
What type of cell has membrane-bound organelles?
Eukaryote
What organelle is the powerhouse of the cell?
Mitochondria
What do similar cells working together form?
Tissues
What system breaks down food into nutrients? Name 1 organ.
Digestive System
Which systems work together to move your body?
Muscular and Skeletal
True or False: Bacteria are eukaryotic cells.
Which organelle turns sunlight into food in plants?
Chloroplasts
What is a group of organs working together called?
Organ System
What system controls body responses with electrical signals? Name 1 organ.
Nervous System
How do the digestive and circulatory systems work together?
Digestive breaks down food; circulatory carries nutrients to cells
Which type of cell is more complex?
Eukaryotic
What part of the cell controls what goes in and out?
Cell Membrane
Arrange these from smallest to largest: organ, tissue, cell, organism.
Cell → Tissue → Organ → Organism
What system removes wastes from the bloodstream? Name 1 organ.
Excretory System
How do the nervous and muscular systems work together to allow movement?
Nervous system sends signals telling muscles to contract
Name two examples of organisms made of eukaryotic cells.
Plants and animals
What organelle packages and ships materials around the cell?
Golgi Body
Give 3 examples of organ systems in the human body.
Examples: Circulatory, digestive, nervous, etc.
What system helps you breathe and exchange gases? Name 1 organ.
Respiratory System
What do the excretory system and the digestive system have in common? (HINT: think about things moving)
Moving substances in and out of the bloodstream